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230781094 = 2891296523
BaseRepresentation
bin11011100000101…
…11000010100110
3121002020220010221
431300113002212
5433034443334
634522234554
75501415115
oct1560270246
9532226127
10230781094
111092a7285
1265355a5a
1338a7397b
1422915c7c
15153d98b4
hexdc170a6

230781094 has 8 divisors (see below), whose sum is σ = 350061480. Its totient is φ = 114093936.

The previous prime is 230781091. The next prime is 230781119. The reversal of 230781094 is 490187032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230781091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648084 + ... + 648439.

It is an arithmetic number, because the mean of its divisors is an integer number (43757685).

Almost surely, 2230781094 is an apocalyptic number.

230781094 is a deficient number, since it is larger than the sum of its proper divisors (119280386).

230781094 is a wasteful number, since it uses less digits than its factorization.

230781094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296614.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 230781094 is about 15191.4809679636. The cubic root of 230781094 is about 613.3853642716.

The spelling of 230781094 in words is "two hundred thirty million, seven hundred eighty-one thousand, ninety-four".

Divisors: 1 2 89 178 1296523 2593046 115390547 230781094